Comparison

Formula Conversion vs CalculateVolumePro

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Formula Conversion

Features
Read full description

It is a formula conversion application. You can print a formula or a modified formula. You can save unmodified formulas to your phone's storage medium and then open it if necessary. Upgrading An application without an upgrade is limited to 24 formula conversions. If you want to convert the formula more than ten times, you must make an in-app purchase. Creating and opening a formula You can open the formula by clicking the first button on the toolbar. You can create a new formula using the symbols, symbols, numbers, and letters on the keyboard. You can change the font size of letters and symbols by pressing the "alp." Or "ALP." And "sym." Or "SYM." Buttons on the toolbar. If you wish, you can delete the characters by pressing the "del." Key. And use the arrows to move between the elements of the formula. Formatting the formula You can format the formula by first selecting the characters you want to change. The selection key is "Sel.", And you can then select by scrolling between the elements of the formula or by pressing the finger on the desired character. You can format the selected formula by pressing the second button on the toolbar from the back. You can change the font, font size, font, and font color Saving and printing the sample You can save the formula by pressing another button on the toolbar. Press the third button on the toolbar to print. If you want to delete the saved formulas, press the fourth button on the toolbar. Converting a formula When the formula is ready, you can publish parts of the formula. To publish part of a formula, select the item with the cursor. Press the fifth button on the toolbar to publish the formula. You can also print the converted formula by clicking the "Print" button. Zoom a formula If you want to increase or decrease the formula, press the third button on the back of the toolbar.

About

CalculateVolumePro

Features
Read full description

Within this application, volume calculations can be solved quickly, it will be much easier and faster with this complete application. It is now easier to solve exercises and check his calculations. And with a single click! Simply enter the known elements and the application takes care of the rest. Feel free to post notices to advance this application and we can bring new features. For any question / suggestion: TeamTrigoIOS@gmail.com

Screenshots

Formula Conversion3 screens
CalculateVolumePro4 screens

Verdict

The call

The clearest difference is update cadence: CalculateVolumePro at weekly against Formula Conversion's every 26 months. Formula Conversion's advantage is iOS requirement (14.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Formula Conversion sells 1 one-off in-app purchase and CalculateVolumePro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Formula Conversion ships an update every 26 months, CalculateVolumePro weekly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

Scorecard2 real differences ยท 4 level
Formula Conversion versus CalculateVolumePro: the parameters behind the verdict, then further details
ParameterFormula ConversionCalculateVolumePro
PriceFreeFree
Update frequencyEvery 26 monthsWeekly โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS14.1 โ€” better18.0
Further details โ€” not scored
Size2 MB3 MB
Age rating4+4+
DeveloperJanek SoometsMaxime Haeyaert

In-app purchases

1 purchases

Formula Conversion

One-time1
  • Upgrade Formula Conversion$3.99
1 purchases

CalculateVolumePro

One-time1
  • Detailed calculations$0.99

Questions

Is Formula Conversion free?
Formula Conversion is free to download, with in-app purchases available.
Is CalculateVolumePro free?
CalculateVolumePro is free to download, with in-app purchases available.
Do Formula Conversion or CalculateVolumePro have ads?
Neither Formula Conversion nor CalculateVolumePro shows ads.
Which is updated more often, Formula Conversion or CalculateVolumePro?
Formula Conversion ships an update every 26 months, and CalculateVolumePro weekly. Most recently, Formula Conversion was updated on October 14, 2026 and CalculateVolumePro on October 4, 2026.

Other comparisons